CET MCQ questions and answers Polytechnic 2015-2016 (Part13)
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CET MCQ questions and answers Polytechnic 2015-2016 (Part13)

CET MCQ questions and answers Polytechnic 2015-2016 (Part13)

Previous Year Questions and Answers Year 2015-2016 (MCQ with solutions)

121. Green house effect can be minimised by :

  • a) Pisciculture
  • b) Agriculture
  • c) Silviculture
  • d) All these three

 

122. Oxidation is the process in which a substance:

  • a) Gains hydrogen
  • b) Gains oxygen
  • c) Gains electrons
  • d) None of these

 

123. What is a reaction in which one substance is oxidised and other is reduced is known as :

  • a) Oxidation reaction
  • b) Reduction
  • c) Redox-reaction
  • d) Reducing agent

 

124. Which of the following did not disturb the equilibrium point ?

  • a) Catalyst
  • b) temerature
  • c) Pressure
  • d) Concentration

 

125. Which of the following turns red litmus blue:

  • a) Acids
  • b) Bases
  • c) Salts
  • d) None of these

 

126. Which of the following salt solution is neutral:

    • a) NaCl
  • b) NH₄Cl
  • c) CH₃COONa
  • d) CaO₂Cl₂

 

127. which of the following is a dry ice:

  • a) Ice
  • b) Solid SO₂
  • c) Solid CO₂
  • d) NaCl

 

128. Which of the following non-metals is a good conductor of electricity ?

  • a) Graphite
  • b) Iodine
  • c) Diamond
  • d) Dromine

 

129. Sulphide ores of copper are separated from the gangue prticles by using:

  • a) Hydraulic washing
  • b) Froth floatation process
  • c) Electromagnetic separation
  • d) Chemical separation

 

130. Helium is used in balloons instead of hydrogen because :

  • a) it is lighter than hydrogen
  • b) it is non combustible
  • c) In comprison to hydrogen, it is found in abundance
  • d) It is radioactive, therefore, can be easily detected

 

Series Navigation<< CET MCQ questions and answers Polytechnic 2015-2016 (Part14)<< CET MCQ questions and answers Polytechnic 2015-2016 (Part9)<< CET MCQ questions and answers Polytechnic 2015-2016 (Part8)<< CET MCQ questions and answers Polytechnic 2015-2016 (Part7)CET MCQ questions and answers Polytechnic 2015-2016 (Part11) >>
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